|
|
发表于 2008-7-29 18:02:40
|
显示全部楼层
来自: 中国江苏镇江
VBA的我不忽悠人!
$ k/ C' B; B6 ]5 r8 p
3 U( r1 _- T1 ]7 I1 c2 nSub LianX()% e7 G, {+ t& p8 u, X
On Error GoTo xx
& U5 K, H! [' F+ e2 _1 i Dim ssetObj As AcadSelectionSet
9 b M/ N$ q) s4 P) d* U Set ssetObj = CreateSelectionSet("uniteSS" 4 J, A$ l+ z/ }+ Y& N$ M s2 p
Dim fType, fData& Z! W4 W, N5 O* i7 e
BuildFilter fType, fData, -4, "<or", 0, "line", 0, "LWPolyline", -4, "or>"4 k' N! r* `% w2 V1 q7 e
'屏选直线或多段线. }& @1 k& F+ w4 h3 f! A% R) e5 V6 S
ssetObj.SelectOnScreen fType, fData
/ P! l H9 w6 U5 y8 t+ r Dim i As Integer
% U! U, F( s) p; x7 D4 Z5 ? If ssetObj.Count <= 1 Then
( B! e2 G' D3 s3 f ThisDrawing.Utility.Prompt "选择的线少于两个,退出命令。"
& z' y/ t: U8 y* `( O% n( h& A" ~ Exit Sub6 `; k- g7 y# w% x% f, q: n
End If
A' [7 }0 p& b% X! p! _: c+ v/ d" X : B- }# f6 z7 t1 `8 [3 d
Dim line1 As Object
: ?3 m5 Q1 I C7 O- V Dim line2 As Object, ^1 n- T4 f4 f# G3 N$ t
$ K+ Z7 m( h! `; a! \5 U6 ^
Set line1 = ssetObj(0)% t; c& i2 s, Y5 k/ n
Dim pd As Boolean8 |. `% \) J6 l% G5 m- }
For i = 1 To ssetObj.Count
' H2 k4 m+ m3 Y- w1 } Set line2 = ssetObj(i)
8 G" z; m( y( `4 H) h '连接线
0 h6 @( J; y1 g; `; t1 N* a" E pd = unite2Line(line1, line2)& U- y9 {) e+ ?7 O* ^1 P" D
'如果连接不成功,则退出命令。
+ ]$ p5 g8 |4 |. v5 U+ M If Not pd Then ssetObj.Delete: Exit Sub7 `7 e2 ]. X) }! w; o( m
Next
) j, [/ P" n% _xx:9 J4 O3 u; a2 J& g
Select Case line1.ObjectName
% N/ ~. t" d0 U# }7 T Case "AcDbLine"% R Z/ n: {7 o% j8 B
ThisDrawing.Utility.Prompt ssetObj.Count & "条线段已连接为直线."
3 p. e( {' Q9 m% V U Case "AcDbPolyline"/ w) T2 W* c, q2 G. u Y& ~
ThisDrawing.Utility.Prompt ssetObj.Count & "条线段已连接为多段线."$ V3 E. E* B0 @
End Select/ J3 K, r' n" F$ d. f% I4 K" F
ssetObj.Delete
B1 n) Y6 i H- W2 wEnd Sub( P* ?" j$ r5 p8 U
6 `/ ^$ p" N3 dSub uniteline()! }6 g5 c3 ^ b1 U) m
On Error Resume Next: T6 g; }% ?8 F; U6 g
'取得线- s; U& A% _; K( y! B+ i
Dim line1 As Object
1 Z! L8 B9 L3 v, {8 U Dim line2 As Object# F8 n7 `& k3 m+ m6 U: i- x
Dim pt1, pt2, pt3, pt4, basePnt As AcadEntity
7 W' w! P0 e& [0 t! C Dim lpt1, lpt2 As Variant, k: p2 b! ]5 H! Q: `/ @
6 t' S: X, }3 ` K8 ?1 l$ h
gwGetEntity line1, basePnt, "请选择第一根直线或多段线:", "AcDbLine", "AcDbPolyline"
0 `$ E, [# P/ n: S+ } If line1 Is Nothing Then6 x7 h9 {" r7 s( g% ^+ r" Y
ThisDrawing.Utility.Prompt "用户取消,退出命令。" c4 P1 q+ m1 P' ?; D h
Exit Sub7 V3 Q1 w. n' z4 p
End If
6 @# b3 Q+ O) r , E+ y2 ~# U: e3 X
gwGetEntity line2, basePnt, "请选择第二根直线或多段线:", "AcDbLine", "AcDbPolyline"
/ o9 ?2 @2 o. L3 p' @ If line2 Is Nothing Then
& D& N2 Y* z" f. l& F: w; b ThisDrawing.Utility.Prompt "用户取消,退出命令。"; M; z* U: S- U
Exit Sub6 M+ W. l# e# W
End If: i+ Z( c' y+ W8 I- m
'连接线) a c* N5 L3 N4 q" {
unite2Line line1, line2
( m5 C6 t! K. pEnd Sub. ~8 F" l, M6 V# K, J0 W; n# f6 Z
. N2 m0 @+ o8 `- ^
0 s3 s; _$ y* a! l3 c
Function unite2Line(ByRef line1 As Object, ByVal line2 As Object) As Boolean3 b) ^* f) t/ i
'连接线函数,连接后的线返回到变量line1中,如果连接成功,unite2Line返回true,否则为false3 t1 A# j B! V+ `7 t, J3 o
On Error Resume Next
t3 j9 o9 l6 \9 s* Z) h f unite2Line = False
' R0 q1 `" x, v+ ]& b
[8 ?0 L7 X4 J If line1.Handle = line2.Handle Then% I2 ~$ ]$ z, t& h6 q
ThisDrawing.Utility.Prompt "选择的是同一直线或多段线,退出命令。"( \( a. P2 d& d" R
Exit Function
/ m' I5 T- z& A End If) e2 h+ h9 X( r3 }$ W- f
: o! l4 p# g) `* @- O& W
getLinePoint line1, pt1, pt2
$ h" H" g. X9 I% c getLinePoint line2, pt3, pt4; k5 ]$ E. X. ]! I9 e: E7 T# o
# x2 Q& ]! R2 Y; q' J/ \/ w1 G
Dim A1, A2, A3 As Double( s5 o7 C# X% [( Q% W5 @ a
Dim maxdi As Double
/ `' H0 I) L' e A1 = ThisDrawing.Utility.AngleFromXAxis(pt1, pt2), ? r9 e8 T3 r' J
A2 = ThisDrawing.Utility.AngleFromXAxis(pt3, pt4)
. r0 m( O$ n, e1 `: [! s7 C* P A3 = ThisDrawing.Utility.AngleFromXAxis(pt1, pt3)
* Z2 Y; s9 b2 i i; [5 z- j '判断四点是否共线
( U: x! f! p) H1 G0 P9 A/ w* S2 j% k If Abs(A1 - A2) < 0.0000001 And (Abs(A1 - A3) < 0.0000001 Or Abs(Abs(A1 - A3) - PI) < 0.0000001) Then9 L' h6 v2 v3 n1 A/ B
'取得距离最远的两个点。2 q: p% F& v1 J
maxdi = MaxDouble(GetDistance(pt1, pt2), GetDistance(pt1, pt3), GetDistance(pt1, pt4), _4 ?. o! o4 f% }# ^, z" ?
GetDistance(pt2, pt3), GetDistance(pt2, pt4), GetDistance(pt3, pt4))3 w8 g$ ]/ u N4 Q) A8 d& m1 @1 g
If GetDistance(pt1, pt2) = maxdi Then lpt1 = pt1: lpt2 = pt2
& h9 B4 P: G# c- a- M9 A: w If GetDistance(pt1, pt3) = maxdi Then lpt1 = pt1: lpt2 = pt3
0 F7 \6 b! t+ t: ^) ?# ]. U If GetDistance(pt1, pt4) = maxdi Then lpt1 = pt1: lpt2 = pt4$ I3 O0 u5 @3 E% L2 o
If GetDistance(pt2, pt3) = maxdi Then lpt1 = pt2: lpt2 = pt3
4 C/ W& A! n. t1 t9 U9 m5 R If GetDistance(pt2, pt4) = maxdi Then lpt1 = pt2: lpt2 = pt4$ k; \( ^6 ~* i
If GetDistance(pt3, pt4) = maxdi Then lpt1 = pt3: lpt2 = pt4
- G7 p1 ~0 U6 j. s! k '画直线) _ ^5 B. I- G3 O3 p1 S2 x2 F
Select Case line1.ObjectName
: b8 {+ J; j" u' i3 A Case "AcDbLine"
1 l; Y( w! B" K- L, | line1.StartPoint = lpt1
" A- J/ J* K5 w- l7 H line1.EndPoint = lpt2
4 Z& C1 B5 X* t8 |$ a# v# ` line2.Delete
1 f( G* Q, {) c unite2Line = True/ _# F/ `$ y F
Case "AcDbPolyline"- s' h+ I; ]5 N# s0 o
Dim newPline As AcadLWPolyline
5 e/ u% }& e8 P7 p% { Set newPline = AddLWPlineSeg(lpt1, lpt2, line1.ConstantWidth)6 g2 b( i5 c% |$ P( H( B
newPline.Layer = line1.Layer
, b$ ?* ^# q! }, U. K newPline.color = line1.color
# q+ |6 J( K; d" r# P newPline.Linetype = line1.Linetype2 Z# K) @ d a6 u
line1.Delete
2 Z6 d6 q& h8 ]( \ line2.Delete
! |( p0 |1 w g" D Set line1 = newPline$ I( K, R' `0 |
unite2Line = True
[) {& Q% ?+ h+ ]; L: \4 L End Select
) ^4 O" f& C1 }; s# y* s Else: ThisDrawing.Utility.Prompt "两线不在同一直线上,退出命令."
, Y% `- Z( X7 G% ]% R7 S, r9 P% O7 i End If% y* v( y* N3 g4 q+ ]; {, u) r) Z) v; U
End Function
) B# i/ U/ l! y$ m$ r7 u6 D1 I8 l$ [" W
/ W2 d H" `4 F- ~% @# r, H' d. T/ N8 P7 C0 u- E
3 H$ S8 ]( W4 K) ^
'以下是上述代码调用的函数?
; z0 I4 P6 \) T. Q6 z) w" m/ g0 T. y
( T/ U, t p# L/ K% d W" Y- E
'创建轻量多段线(只有两个顶点的直线多段线)
8 ]3 M8 k" ~3 X6 jPublic Function AddLWPlineSeg(ByVal ptSt As Variant, ByVal ptEn As Variant, Optional ByVal width As Double = 0) As AcadLWPolyline
$ m) H; e) n) n# j# p( ]) z0 a8 G, h8 ~ Dim objPline As AcadLWPolyline
8 U+ R$ O. {) `' A Dim ptArr(0 To 3) As Double
/ |1 b* } H4 w, f' p/ b4 v
" U& t9 p7 L# ^& b+ S9 S: C ptArr(0) = ptSt(0)& h. N$ @5 n8 G3 x
ptArr(1) = ptSt(1)
% K j5 g5 ]7 ~9 e* k8 s ptArr(2) = ptEn(0)
! e' P! w0 M7 R4 J8 W4 t+ C ptArr(3) = ptEn(1)
- Z7 v* {! @/ I9 u* J) m
, X5 V, j! |1 m8 W1 R' P Set objPline = ThisDrawing.ModelSpace.AddLightWeightPolyline(ptArr)
$ }$ ]: }5 }& z objPline.ConstantWidth = width* Y, q. ~8 n E
objPline.Update; P* I8 m0 p6 a5 d
Set AddLWPlineSeg = objPline
* W+ v+ U3 X: B! E | FEnd Function! P# \% q0 j$ W/ T5 ] u' m
Public Function getLinePoint(ent As AcadEntity, ByRef Point1 As Variant, ByRef Point2 As Variant)
: Y( \' Y- t# i- N% T! H' ?4 `0 Y '本函数得到线的端点,其中point1为Y坐标较小的点
0 g& \; q0 U3 n' m0 C9 [ Dim p1(2) As Double# ^$ q0 i! i0 g4 i# M1 e' e8 i6 `
Dim p2(2) As Double
$ m: ^, `: k8 b! m% ~2 d8 E Dim k As Integer
) H# U4 f& I I1 I" F! Q+ M% h On Error Resume Next; K; ~ @" R$ P' ?( _7 b
Select Case ent.ObjectName
: X8 e- y5 I6 d* x( P Case "AcDbLine"
+ W0 u' a0 B+ D2 c! Y Point1 = ent.StartPoint
! T* Y4 l3 N/ M1 G, @; j Point2 = ent.EndPoint
$ [! V5 v0 [- v/ g% f9 `( \ If ThisDrawing.Utility.AngleFromXAxis(Point1, Point2) >= PI Then* B6 `6 W0 W4 L0 J
Point1 = ent.EndPoint, d4 @! P3 O7 g) C! z' L
Point2 = ent.StartPoint3 }1 n" I" J# N. P$ f* a% R
End If
8 D! q9 A% y5 J8 G7 Y8 h) Q% ~, ^ Case "AcDbPolyline"
5 r! G: U+ U- _ Dim entCo As Variant+ f) r1 _. j5 s/ p! b) E7 P
entCo = ent.Coordinates
7 q! F7 n: Q0 ~ k = UBound(entCo)
" G& N% x5 O# A: } E/ ~ If k >= 3 Then
% F6 h1 Y* A# R3 F X p1(0) = entCo(0): p1(1) = entCo(1)
0 h& \& T1 d' Z" T2 q p2(0) = entCo(k - 1): p2(1) = entCo(k)4 I6 ~3 A$ D* Q; j- W+ t1 R& Q+ a
If ThisDrawing.Utility.AngleFromXAxis(p1, p2) >= PI Then
1 |. ]# V! C: A+ I0 y$ }' T$ U; Y p2(0) = entCo(0): p2(1) = entCo(1)
% N4 U5 ~% F/ x) }) H p1(0) = entCo(k - 1): p1(1) = entCo(k)
7 Q8 B4 f0 {4 O" ?9 M o End If
: H; B4 i# T, c3 ?1 N# ?* H b8 N& l Point1 = p1: Point2 = p2
; W- d6 ]4 C- L) v5 q End If
" s! h+ c3 B: s' n2 ^' A2 w+ ? End Select
7 ~9 G+ }$ f+ A- H8 J- |0 I* r' UEnd Function
6 W1 C4 g" ^" ^2 yPublic Function PI() As Double
/ R h' |/ A0 e8 U% S. f/ W PI = Atn(1) * 4
% a# l k, g1 f, B( {& [! N6 }* GEnd Function
: M; ~$ G3 Z$ z' c& ]Public Sub GetEntityEx(ent As Object, pickedPoint, Optional Prompt)
4 E4 A7 q1 z- R' u' e L* h/ t1 n8 r '选择实体,直到用户取消操作& c- F5 ~8 c3 [
On Error Resume Next
8 }; \ X* F% t- m* ]* |: oStartLoop:% K# K. ?& R1 R+ h& R* E$ C6 e
ThisDrawing.Utility.GetEntity ent, pt, Prompt* d8 |% \7 r' W
If Err Then
e, ~( m9 D8 X! ^4 P& r If ThisDrawing.GetVariable("errno") = 7 Then
7 w1 u7 p3 w# X$ g( J( S) ^ Err.Clear
' q8 U2 M- G; o1 M2 g. z7 E- ]3 B GoTo StartLoop- ^4 M A! w) |/ Z* h- b
Else
9 A( E6 n, l+ N4 b Err.Raise vbObjectError + 5, , "用户取消操作", M/ ]% Z$ }. f, t
End If" g; z" a: G. D3 M5 e- _ }) C; O
End If
3 _5 R) V4 W* O3 f+ B0 _End Sub
" `. u1 `1 p/ R* ^Public Sub gwGetEntity(ent As Object, pickedPoint, Prompt As String, ParamArray gType())
; B Z: ^5 O. q! M'选择某一类型的实体,如果选择错误则继续,按ESC退出
1 ?7 I! T' w4 J# F, l* W0 k'gtype是实体名称,不区分大小写,可以用通配符号,如"AcDbBlockReference","acdb*text"等( g; o% D. }! f' X% K: i
Dim i As Integer/ E! Y4 I& P7 C$ ^0 g
Dim pd As Boolean
5 o8 \& S3 t t# L7 _( ^5 x1 y0 Qpd = False8 D# A8 H0 \$ a
Do
& G7 u- {2 {/ X, M6 P GetEntityEx ent, pickedPoint, Prompt& h9 N! H3 A$ E w
* X w4 d; W# T8 S- a9 b/ S8 @
If ent Is Nothing Then
0 v* k/ b" ]5 T. y Exit Do
' r" P0 F' [, I: x9 G ElseIf UBound(gType) - LBound(gType) + 1 = 0 Then" |4 G$ u$ R4 \( z- f; l
Exit Do8 P* L1 l+ K! u6 A' }
Else1 I. v- S# r" ]; P3 t, l
For i = LBound(gType) To UBound(gType)+ K* n5 b$ W/ d8 }) I5 A$ ]6 Q G
If UCase(ent.ObjectName) Like UCase(gType(i)) Then g7 g8 s# D U( w0 M e! Y. h8 a
Exit Do
# F& m) f1 ]/ c4 f, r2 R Else( p" U% {2 { ?& [/ G0 h' c
pd = True
2 u3 u, r% d& j1 w* T2 v& U# [7 J End If
7 d% x' j# F8 d; @' b. k2 ? Next i5 r1 ?. ]- Q7 x" ^' A
If pd Then ThisDrawing.Utility.Prompt "选择的实体不符合要求."
" w1 L0 w$ X1 a. I" M End If
- b4 @% k' n: o" Q& g* h) b+ LLoop
$ K) ^3 b7 u+ `0 \5 h/ o3 u- t# d
& B7 @: X% V- C; Y! W+ P, m' qEnd Sub" A3 a: U; ~, s1 ~ M
'计算两点之间距离
; B% z- h H; i1 G( _- PPublic Function GetDistance(sp As Variant, ep As Variant) As Double" R. Y: Z! e& w5 g# t( a" }/ g% @# [
Dim X As Double) X0 w$ j+ ?" ?: H
Dim y As Double' q) M1 J: _$ a# G3 l" _8 q
Dim z As Double0 [8 g; O3 U S/ A6 P5 c
* Q$ A s) ~' O$ l: S0 c X = sp(0) - ep(0)( D6 l+ i& `$ \
y = sp(1) - ep(1)8 l) K8 P- L( u, j% b
z = sp(2) - ep(2)
, g7 W0 B6 H6 w2 O # G% c, I1 V5 \0 G
GetDistance = Sqr((X ^ 2) + (y ^ 2) + (z ^ 2))2 o$ z3 [3 V. r; K* D- T: Q
End Function+ X! m i8 K/ _8 G
'返回两个Double类型变量的最大值+ L2 t, q, {* {
Public Function MaxDouble(ByVal a As Double, ParamArray b()) As Double. B0 [7 z/ f3 Z& \+ ` m
MaxDouble = a
9 z. I' X$ l9 t Dim i As Integer
! {0 `6 l% v# O {/ ~# `, v; Z For i = LBound(b) To UBound(b)
( I7 b) M) h# V& E If b(i) > MaxDouble Then MaxDouble = b(i)* R( {$ b; E( {+ u: K
Next i' {) Q0 N2 A- j/ V% e/ M( Z
End Function; U- J6 e* s ^7 i5 F
Public Function CreateSelectionSet(Optional ssName As String = "ss") As AcadSelectionSet; M5 ~. e! N( z- G8 @/ S
'返回一个空白选择集$ t T2 _: A# u
! W. U' T8 n/ s% S" [
Dim ss As AcadSelectionSet
6 d$ c& x, D" r" N/ v / k. q+ D8 f( D3 \: H( g$ |1 G+ F
On Error Resume Next2 j" w8 C& e3 O' C# ]
Set ss = ThisDrawing.SelectionSets(ssName)
! Q* Y4 q" a0 C9 A0 s If Err Then Set ss = ThisDrawing.SelectionSets.Add(ssName). V6 f+ z, o; j! \" A! \
ss.Clear% O! R+ U' X9 v0 v
Set CreateSelectionSet = ss
6 C/ g& i4 P" o5 x( ^8 XEnd Function& d6 L' \5 n9 X% f
Public Sub BuildFilter(typeArray, dataArray, ParamArray gCodes())3 o" g; ?- Y9 O5 q
'用数组方式填充一对变量以用作为选择集过滤器使用5 X z* x. G: n' r6 b- E/ q
Dim fType() As Integer, fData()
9 u* u; p6 W) z* l1 A Dim index As Long, i As Long
_) C/ V. G8 D
" u }4 b% ?' q" _ N0 B: Z f+ i index = LBound(gCodes) - 1
# U9 [0 |2 g8 J+ w" P6 o ! c t" c; O. }- L8 r3 X
For i = LBound(gCodes) To UBound(gCodes) Step 2
: J9 R, b3 G. F( x @4 o index = index + 1
6 [+ O( D+ ^# b; d ReDim Preserve fType(0 To index)
2 j% Y+ k6 A! J, _ ReDim Preserve fData(0 To index)
: p0 Q4 e% s8 H5 M8 X, R8 t$ D fType(index) = CInt(gCodes(i)): ~" _$ s A" H: e- P
fData(index) = gCodes(i + 1)
3 z3 \4 w4 O; Q% l% P5 u7 } Next4 E. i r' L* M
typeArray = fType: dataArray = fData Q- k+ U5 S0 H) r+ \- d$ w
End Sub( u$ H" b& w0 T6 w& W6 Y4 \
2 t' j# e& G/ {- i) Z& u! n[ 本帖最后由 xiaoma76 于 2008-7-29 18:10 编辑 ] |
评分
-
查看全部评分
|